/**
 * Variable.java
 * 
 * Copyright (C) 2012 - Thibault BUREL
 * 
 * This file is part of MathDraft.
 *
 * MathDraft is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MathDraft is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MathDraft.  If not, see <http://www.gnu.org/licenses/>
 *  
 */
package drk.mathdraft.proposition;


public class Variable extends Proposition
{
	/*************************************************************************
	 *                          M E M B E R S                                *
	 *************************************************************************/
	protected String name;
			
	/*************************************************************************
	 *                          M E T H O D S                                *
	 *************************************************************************/
	public Variable (String n)
	{
		super();
		this.name = n;
	}
	
	public Variable (Variable v)
	{
		super();
		this.name = new String(v.name);
	}
	
	public Proposition copy()
	{
		return new Variable(this);
	}
	
	public boolean equals(Proposition p)
	{
		if(p instanceof Variable)
		{
			if(this.name.equals(((Variable)p).name))
			{
				return true;
			}
		}
		return false;
	}
	
	public String getIconCommand()
	{
		return this.name;
	}	
	
	public Proposition getFirstChild()
	{
		return null;
	}
	
	public String getName ()
	{
		return this.name;
	}
	
	public Proposition getNextChild(Proposition current)
	{
		return null;
	}

	public String latexCommands(int rootPriority)
	{	
		return "{" + this.name + "}";
	}
	
	public void replaceChild(Proposition o, Proposition n)
	{
		// Nothing todo.
	}
	
	public void unselectAll()
	{
		this.selected = false;
	}

}